A cryptographic protocol allowing one party to prove to another that a statement is true — such as 'I am over 18' or 'I hold a valid credential' — without revealing any underlying data, enabling privacy-preserving identity verification.
Category: identity verification. Part of the Identity Technologist Glossary — 158+ practitioner-grade definitions covering identity verification, KYC/AML, biometrics, fraud prevention, and compliance. See all terms at https://identitytechnologist.com/glossary.